About 2.5 billion adults, just over half the world’s adult population, lack bank accounts. If we are to realize the goal of extending banking and other financial services to this vast “unbanked” population, we need to consider not only such product innovations as microfinance and mobile...

Today's wide economic gap between the postindustrial countries of the West and the poorer countries of the third world is not new. Fifty years ago, the world economic order--two hundred years in the making--was already characterized by a vast difference in per capita income between rich and poor...

Today's wide economic gap between the postindustrial countries of the West and the poorer countries of the third world is not new. Fifty years ago, the world economic order--two hundred years in the making--was already characterized by a vast difference in per capita income between rich and poor...

"I have spent my whole professional life as an international economist thinking and writing about economic geography, without being aware of it," begins Paul Krugman in the readable and anecdotal style that has become a hallmark of his writings. Krugman observes that his own shortcomings in...